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1.
Digit Health ; 9: 20552076231211118, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38033518

RESUMO

Background: Despite positive findings around the use of eHealth in dementia care, it is rarely translated into routine practice. This can be facilitated by early involvement of end-users in the development of an implementation plan. This study aimed to co-design strategies to implement an eHealth intervention, the EMBED-Care Framework, to support assessment and decision-making for people with dementia in care homes. Methods: A qualitative co-design method was applied through a series of workshops. Participants included family carers and health and social care practitioners. People with dementia were included through a series of stakeholder engagement meetings. The workshops focused on co-developing strategies in response to identified determinants of implementation. A codebook thematic analytic approach was taken, guided by the Normalisation Process Theory (NPT). Results: Three workshops were conducted from July 2021 to November 2021, attended by 39 participants. Three overarching phases of implementation were identified which aligned with the constructs of the NPT: (a) incentivising adoption of the Framework, which requires promotion of its benefits and alignment with recommendations for good quality dementia care to engage stakeholders, relating to 'coherence' and 'cognitive participation' constructs; (b) enabling its operation, which requires ensuring compatibility with care home processes, provision of training and support from 'champions', relating to 'collective action'; (c) sustaining use of the Framework, which requires monitoring of implementation and appraisal of its effects, relating to 'reflexive monitoring'. Conclusions: We have developed a multi-strategy, theoretically driven plan to implement eHealth to support assessment and decision-making for people with dementia in care homes. Successful implementation requires incentivisation to adopt, ability to operate and motivation to sustain use of eHealth. The plan is strengthened through collaborating with end-users to increase its value, credibility and real-world relevance. The theoretically informed strategies target mechanisms of the NPT, demonstrated to shape the implementation process and outcomes, ready for testing.

2.
Educ Prim Care ; 34(4): 211-219, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-37742228

RESUMO

Clinical reasoning is a vital medical education skill, yet its nuances in undergraduate primary care settings remain debated. This systematic review explores clinical reasoning teaching and learning intricacies within primary care. We redefine clinical reasoning as dynamically assimilating and prioritising synthesised patient, significant other, or healthcare professional information for diagnoses or non-diagnoses. This focused meta-synthesis applies transformative learning theory to primary care clinical reasoning education. A comprehensive analysis of 29 selected studies encompassing various designs made insights into clinical reasoning learning dimensions visible. Primary care placements in varying duration and settings foster diverse instructional methods like bedside teaching, clinical consultations, simulated clinics, virtual case libraries, and more. This review highlights the interplay between disease-oriented and patient-centred orientations in clinical reasoning learning. Transformative learning theory provides an innovative lens, revealing stages of initiation, persistence, time and space, and competence and confidence in students' clinical reasoning evolution. Clinical teachers guide this transformation, adopting roles as fortifiers, connoisseurs, mediators, and monitors. Patient engagement spans passive to active involvement, co-constructing clinical reasoning. The review underscores theoretical underpinnings' significance in shaping clinical reasoning pedagogy, advocating broader diversity. Intentional student guidance amid primary care complexities is vital. Utilising transformative learning, interventions bridging cognitive boundaries enhance meaningful clinical reasoning learning experiences. This study contributes insights for refining pedagogy, encouraging diverse research, and fostering holistic clinical reasoning development.


Assuntos
Educação de Graduação em Medicina , Estudantes de Medicina , Humanos , Competência Clínica , Raciocínio Clínico , Educação de Graduação em Medicina/métodos , Aprendizagem , Atenção Primária à Saúde , Estudantes , Estudantes de Medicina/psicologia
3.
PLoS One ; 17(9): e0273428, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36083947

RESUMO

INTRODUCTION: Parkinson's prevalence is growing, and more people are being impacted by the condition than ever before. Self-management has been proposed as one way to enable people living with the condition to improve or maintain their quality of life and wellbeing whilst living at home. AIM: To explore the views and experiences of how people living with Parkinson's self-manage their condition and identify areas needed to be incorporated into self-management resources or interventions. METHOD: Twenty people with Parkinson's from across London and Hertfordshire, UK took part in semi-structured interviews on self-management. Interviews were transcribed and analysed using thematic analysis to identify themes. RESULTS: Three main themes were identified: (1) Management of physical symptoms, which included engaging in physical activities, adapting their lifestyles, managing medication and using e-health resources; (2) Management of emotional impact, which involved using a range of cognitive and practical strategies, and seeking talking therapies and medication; and (3) barriers to self-management such as accessing accurate information, experiencing stigma towards their condition which impacted their self-esteem and identity, in turn impacting on their ability to self-manage. CONCLUSION: Holistic and person-centred self-management programmes or interventions should be developed incorporating components such as medication and emotional support, individualised planning of exercise regimes, and accessible, timely and accurate information. Furthermore, more public health knowledge on Parkinson's is needed to help reduce stigma.


Assuntos
Doença de Parkinson , Autogestão , Exercício Físico/psicologia , Humanos , Doença de Parkinson/psicologia , Doença de Parkinson/terapia , Pesquisa Qualitativa , Qualidade de Vida , Autogestão/psicologia , Reino Unido
4.
PLoS One ; 17(7): e0268588, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35849560

RESUMO

OBJECTIVE: To explore the experiences and challenges of people with Parkinson's and their family members living in the community through the lens of their transitions to better understand the phases and changes in their lives. DESIGN: Qualitative study using semi-structured interviews and analysed using codebook thematic analysis. SETTING/PARTICIPANTS: Purposive sampling was used in primary and secondary healthcare services across Southern England in 2019 to recruit 21 people with Parkinson's (aged between 45-89 years) and 17 family members (13 spouses and 4 adult children, aged between 26-79 years). RESULTS: Participants' descriptions were classified in three main phases of transition from a place of health towards greater dependency on others: 1) 'Being told you are a person with Parkinson's' (early), 2) 'Living with Parkinson's' (mid), and 3) 'Increasing dependency' (decline). Seven sub-themes were identified to describe the transitions within these three phases: phase 1: receiving and accepting a diagnosis; navigating reactions; phase 2: changing social interactions and maintaining sense of self; information: wanting to know but not wanting to know; finding a place within the healthcare system; and 3: changes in roles and relationships; and increasingly dependent. CONCLUSION: This study has identified points of change and means of supporting key transitions such as diagnosis, changes in social connections, and increased use of secondary healthcare services so that comprehensive, holistic, individualised and well-timed support can be put in place to maintain well-being.


Assuntos
Doença de Parkinson , Adulto , Idoso , Idoso de 80 Anos ou mais , Humanos , Pessoa de Meia-Idade , Família , Serviços de Saúde , Pesquisa Qualitativa , Cônjuges
5.
Anal Biochem ; 647: 114581, 2022 06 15.
Artigo em Inglês | MEDLINE | ID: mdl-35134388

RESUMO

Sarcopenia, characterized by a loss of muscle strength, quantity/quality, and physical performance is associated with increased mortality and poor clinical outcomes in concomitant presentation with liver cirrhosis (LC). A number of mechanisms are involved in sarcopenia development in LC, many of which are secondary to liver dysfunction and/or iatrogenic involvement in treating LC. Sarcopenia severity in this population appears to be affected by patient gender, as well as the primary aetiology of LC (alcohol, non-alcoholic fatty liver disease etc.) with patient demographics shifting in recent years. Clinical detection of sarcopenia in this population may involve a combination of assessment tools, in addition to measuring muscle mass and strength separately. Muscle mass may be assessed using radiography, bioelectric impedance, ultrasound, or anthropometrics. Hand-grip strength, on the other hand, may be a useful tool for evaluating muscle strength. The role of malnutrition in sarcopenia is also a relevant factor, and screening tools such as MELD and SARC-F may be clinically useful tools for more complete diagnosis of sarcopenia in these patients. Myostatin and titin-N may represent potential diagnostic biomarkers. Lastly, physical activity and nutrition remain key elements of treatment. Further research is being conducted regarding the role of resistance vs aerobic exercise as well as the function of complementary nutrition. Continued study into the role of nutrition, physical activity and other complementary therapies will be important future endeavours in the treatment of sarcopenia in LC.


Assuntos
Sarcopenia , Força da Mão , Humanos , Cirrose Hepática/complicações , Prevalência , Sarcopenia/diagnóstico , Sarcopenia/epidemiologia , Sarcopenia/terapia
6.
J Med Internet Res ; 24(2): e29837, 2022 02 03.
Artigo em Inglês | MEDLINE | ID: mdl-35113029

RESUMO

BACKGROUND: As dementia progresses, symptoms and concerns increase, causing considerable distress for the person and their caregiver. The integration of care between care homes and health care services is vital to meet increasing care needs and maintain quality of life. However, care home access to high-quality health care is inequitable. eHealth can facilitate this by supporting remote specialist input on care processes, such as clinical assessment and decision-making, and streamlining care on site. How to best implement eHealth in the care home setting is unclear. OBJECTIVE: The aim of this review was to identify the key factors that influence the implementation of eHealth for people living with dementia in long-term care. METHODS: A systematic search of Embase, PsycINFO, MEDLINE, and CINAHL was conducted to identify studies published between 2000 and 2020. Studies were eligible if they focused on eHealth interventions to improve treatment and care assessment or decision-making for residents with dementia in care homes. Data were thematically analyzed and deductively mapped onto the 6 constructs of the adapted Consolidated Framework for Implementation Research (CFIR). The results are presented as a narrative synthesis. RESULTS: A total of 29 studies were included, focusing on a variety of eHealth interventions, including remote video consultations and clinical decision support tools. Key factors that influenced eHealth implementation were identified across all 6 constructs of the CFIR. Most concerned the inner setting construct on requirements for implementation in the care home, such as providing a conducive learning climate, engaged leadership, and sufficient training and resources. A total of 4 novel subconstructs were identified to inform the implementation requirements to meet resident needs and engage end users. CONCLUSIONS: Implementing eHealth in care homes for people with dementia is multifactorial and complex, involving interaction between residents, staff, and organizations. It requires an emphasis on the needs of residents and the engagement of end users in the implementation process. A novel conceptual model of the key factors was developed and translated into 18 practical recommendations on the implementation of eHealth in long-term care to guide implementers or innovators in care homes. Successful implementation of eHealth is required to maximize uptake and drive improvements in integrated health and social care.


Assuntos
Demência , Telemedicina , Cuidadores , Demência/terapia , Humanos , Assistência de Longa Duração , Qualidade de Vida
7.
BMC Geriatr ; 21(1): 706, 2021 12 15.
Artigo em Inglês | MEDLINE | ID: mdl-34911497

RESUMO

BACKGROUND: Parkinson's disease is a long-term, complex health condition. To improve or maintain quality of life, people with Parkinson's can have an active involvement in their care through self-management techniques. Given the complexity and individualization of self-management, people with Parkinson's will need support and encouragement from their healthcare professionals (HCPs). Despite the key role HCPs have in this, research has seldom explored their perspectives and understanding of self-management for people with Parkinson's. METHODS: Multi-disciplinary teams providing care for people with Parkinson's across London, Coventry and Hertfordshire were approached and took part in either one of four focus groups or individual interviews. Forty-two HCPs, including a range of specialist doctors, general practitioners, allied health professionals, nurses, and social workers, took part in this study. Interviews were transcribed and analysed using thematic analysis to identify themes. RESULTS: Four themes were developed from the data: 1) Empowerment of patients through holistic care and being person-centred; 2) Maximising motivation and capability for patients, for example using asset based approaches and increasing opportunities; 3) importance of empowerment of carers to support self-management and 4) contextual barriers to self-management such as the social context. CONCLUSIONS: This study is the first to explore the perspectives of HCPs on self-management in people with Parkinson's. Our findings have identified important considerations surrounding empowerment, motivation, carers and contextual barriers to better understand how we enable effective self-management techniques in people with Parkinson's. Research should build on these findings on to develop acceptable and effective self-management tools for use in practice with people affected by Parkinson's.


Assuntos
Clínicos Gerais , Doença de Parkinson , Autogestão , Humanos , Doença de Parkinson/terapia , Pesquisa Qualitativa , Qualidade de Vida , Reino Unido
8.
Asian Nurs Res (Korean Soc Nurs Sci) ; 14(4): 221-230, 2020 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-32931996

RESUMO

PURPOSE: The aim of this study was to investigate the feasibility and preliminary efficacy of a modified mindfulness-based stress reduction (MBSR) program and mindfulness-based cognitive therapy (MBCT) program for reducing the stress, depressive symptoms, and subjective burden of family caregivers of people with dementia (PWD). METHODS: A prospective, parallel-group, randomized controlled trial design was adopted. Fifty-seven participants were recruited from the community and randomized into either the modified MBSR group (n = 27) or modified MBCT group (n = 26), receiving seven face-to-face intervention sessions for more than 16 weeks. Various psychological outcomes were measured at baseline (T0), immediately after intervention (T1), and at the 3-month follow-up (T2). RESULTS: Both interventions were found to be feasible in view of the high attendance (more than 70.0%) and low attrition (3.8%) rates. The mixed analysis of variance (ANOVA) results showed positive within-group effects on perceived stress (p = .030, Cohen's d = 0.54), depressive symptoms (p = .002, Cohen's d = 0.77), and subjective caregiver burden (p < .001, Cohen's d = 1.12) in both interventions across the time points, whereas the modified MBCT had a larger effect on stress reduction, compared with the modified MBSR (p = .019). CONCLUSION: Both the modified MBSR and MBCT are acceptable to family caregivers of PWD. Their preliminary effects were improvements in stress, depressive symptoms, and subjective burden. The modified MBCT may be more suitable for caregivers of PWD than the MBSR. A future clinical trial is needed to confirm their effectiveness in improving the psychological well-being of caregivers of PWD.


Assuntos
Cuidadores/psicologia , Terapia Cognitivo-Comportamental/métodos , Demência/enfermagem , Demência/psicologia , Família/psicologia , Atenção Plena/métodos , Estresse Psicológico/terapia , Adulto , Idoso , Idoso de 80 Anos ou mais , Povo Asiático/psicologia , Estudos de Viabilidade , Feminino , Hong Kong , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos
9.
Nutrients ; 12(6)2020 Jun 02.
Artigo em Inglês | MEDLINE | ID: mdl-32498372

RESUMO

Background: In cirrhosis, a pathological gut microbiome has been linked with immune dysfunction. A pilot study of probiotic Lactobacillus casei Shirota (LcS) in alcoholic cirrhosis demonstrated significant improvement in neutrophil function. This study aimed to evaluate the efficacy of LcS on neutrophil function and significant infection rates in patients with cirrhosis. Methods: 92 cirrhotic patients (Child-Pugh score ≤10) were randomized to receive LcS or placebo, three times daily for six months. Primary end-points were incidence of significant infection and neutrophil function. Secondary end-points were cytokine profile, endotoxin, bacterial DNA positivity, intestinal permeability and quality of life. Results: Rates of infection, decompensation or neutrophil function did not differ between placebo and probiotic groups. LcS significantly reduced plasma monocyte chemotactic protein-1 and, on subgroup analysis, plasma interleukin-1ß (alcoholic cirrhosis), interleukin-17a and macrophage inflammatory protein-1ß (non-alcoholic cirrhosis), compared with placebo. No significant differences in intestinal permeability, bacterial translocation or metabolomic profile were observed. Conclusion: LcS supplementation in patients with early cirrhosis is safe. Although no significant infections were observed in either group, LcS improved cytokine profile towards an anti-inflammatory phenotype, an effect which appears to be independent of bacterial translocation.


Assuntos
Suplementos Nutricionais , Lacticaseibacillus casei , Cirrose Hepática/terapia , Probióticos/administração & dosagem , Adolescente , Adulto , Idoso , Quimiocina CCL2/sangue , Quimiocina CCL4/sangue , Método Duplo-Cego , Feminino , Microbioma Gastrointestinal , Humanos , Inflamação , Interleucina-17/sangue , Interleucina-1beta/sangue , Cirrose Hepática/sangue , Cirrose Hepática/imunologia , Cirrose Hepática/microbiologia , Masculino , Pessoa de Meia-Idade , Neutrófilos/imunologia , Adulto Jovem
10.
Palliat Med ; 31(8): 726-733, 2017 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-27815555

RESUMO

BACKGROUND: People with dementia have been described as the 'disadvantaged dying' with poor end-of-life care. Towards the end of life, people with dementia cannot report on the care they receive. It is therefore important to talk to caregivers; however, few have explored the views about end-of-life care from the caregivers' perspective. The majority of research on family caregivers has focussed on the burden and psychological impact of caring for a relative with dementia. AIM: This study aimed to explore the views of family caregivers about quality end-of-life care for people with dementia. DESIGN: Qualitative study using in-depth interviews and analysed using thematic analysis. SETTING/PARTICIPANTS: Purposive sampling from a third sector organisation's caregiver network was used to recruit 47 caregivers in England (2012-2013), consisting of (1) family caregivers of someone who had recently received a diagnosis of dementia, (2) family caregivers currently caring for someone with dementia and (3) bereaved family caregivers. RESULTS: Three over-arching themes were derived from the interviewees' discourse, including maintaining the person within, fostering respect and dignity and showing compassion and kindness. CONCLUSION: End-of-life care for people with dementia does not differ from care throughout the dementia trajectory. Throughout the findings, there is an implicit underlying theme of conflict: conflict between family caregivers and an increasingly systematised service of care and conflict between family caregivers and professionals. This study has in particular demonstrated the importance of the psycho-social aspects of care, aligning with the holistic definition of palliative care.


Assuntos
Atitude , Cuidadores/psicologia , Demência , Qualidade de Vida , Assistência Terminal , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Entrevistas como Assunto , Masculino , Pessoa de Meia-Idade , Pesquisa Qualitativa
11.
BMC Palliat Care ; 15: 68, 2016 Aug 02.
Artigo em Inglês | MEDLINE | ID: mdl-27484683

RESUMO

BACKGROUND: The end of life for someone with dementia can present many challenges for practitioners; such as, providing care if there are swallowing difficulties. This study aimed to develop a toolkit of heuristics (rules-of-thumb) to aid practitioners making end-of-life care decisions for people with dementia. METHODS: An iterative co-design approach was adopted using a literature review and qualitative methods, including; 1) qualitative interviews and focus groups with family carers and 2) focus groups with health and care professionals. Family carers were recruited from a national charity, purposively sampling those with experience of end-of-life care for a person with dementia. Health and care professionals were purposively sampled to include a broad range of expertise including; general practitioners, palliative care specialists, and geriatricians. A co-design group was established consisting of health and social care experts and family carers, to synthesise the findings from the qualitative work and produce a toolkit of heuristics to be tested in practice. RESULTS: Four broad areas were identified as requiring complex decisions at the end of life; 1) eating/swallowing difficulties, 2) agitation/restlessness, 3) ending life-sustaining treatment, and 4) providing "routine care" at the end of life. Each topic became a heuristic consisting of rules arranged into flowcharts. Eating/swallowing difficulties have three rules; ensuring eating/swallowing difficulties do not come as a surprise, considering if the situation is an emergency, and considering 'comfort feeding' only versus time-trialled artificial feeding. Agitation/restlessness encourages a holistic approach, considering the environment, physical causes, and the carer's wellbeing. Ending life-sustaining treatment supports practitioners through a process of considering the benefits of treatment versus quality-of-life and comfort. Finally, a heuristic on providing routine care such as bathing, prompts practitioners to consider adapting the delivery of care, in order to promote comfort and dignity at the end of life. CONCLUSIONS: The heuristics are easy to use and remember, offering a novel approach to decision making for dementia end-of-life care. They have the potential to be used alongside existing end-of-life care recommendations, adding more readily available practical assistance. This is the first study to synthesise experience and existing evidence into easy-to-use heuristics for dementia end-of-life care.


Assuntos
Cuidadores/educação , Tomada de Decisão Clínica/métodos , Demência/terapia , Heurística , Cuidados Paliativos/métodos , Assistência Terminal/métodos , Planejamento Antecipado de Cuidados , Criança , Protocolos Clínicos , Árvores de Decisões , Demência/psicologia , Grupos Focais , Humanos , Cuidados Paliativos/psicologia , Cuidados Paliativos/tendências , Guias de Prática Clínica como Assunto , Qualidade de Vida , Assistência Terminal/tendências , Reino Unido
12.
J Strength Cond Res ; 30(9): 2638-47, 2016 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-26808848

RESUMO

Cunniffe, B, Papageorgiou, M, O'Brien, B, Davies, NA, Grimble, GK, and Cardinale, M. Acute citrulline-malate supplementation and high-intensity cycling performance. J Strength Cond Res 30(9): 2638-2647, 2016-Dietary L-citrulline-malate (CM) consumption has been suggested to improve skeletal muscle metabolism and contractile efficiency, which would be expected to predispose exercising individuals to greater fatigue resistance. The purpose of this study was to examine the effects of CM supplementation on acid-base balance and high-intensity exercise performance. In a double-blind, placebo-controlled, crossover study, 10 well-trained males consumed either 12 g of CM (in 400 ml) or lemon sugar-free cordial (placebo [PL]) 60 minutes before completion of 2 exercise trials. Each trial consisted of subjects performing 10 (×15 seconds) maximal cycle sprints (with 30-second rest intervals) followed by 5 minutes recovery before completing a cycle time-to-exhaustion test (TTE) at 100% of individual peak power (PP). Significant increases in plasma concentrations of citrulline (8.8-fold), ornithine (3.9-fold), and glutamine (1.3-fold) were observed 60 minutes after supplementation in the CM trial only (p ≤ 0.05) and none of the subjects experienced gastrointestinal side-effects during testing. Significantly higher exercise heart rates were observed in CM condition (vs. PL) although no between trial differences in performance related variables (TTE: [120 ± 61 seconds CM vs. 113 ± 50 seconds PL]), PP or mean power, ([power fatigue index: 36 ± 16% CM vs. 28 ± 18% PL]), subjective rating of perceived exertion or measures of acid-base balance (pH, lactate, bicarbonate, base-excess) were observed (p > 0.05). This study demonstrated that acute supplementation of 12 g CM does not provide acute ergogenic benefits using the protocol implemented in this study in well-trained males.


Assuntos
Equilíbrio Ácido-Base/efeitos dos fármacos , Citrulina/análogos & derivados , Exercício Físico/fisiologia , Malatos/farmacologia , Resistência Física/efeitos dos fármacos , Adulto , Citrulina/sangue , Citrulina/farmacologia , Estudos Cross-Over , Suplementos Nutricionais , Método Duplo-Cego , Teste de Esforço , Glutamina/sangue , Frequência Cardíaca/efeitos dos fármacos , Humanos , Ácido Láctico/sangue , Masculino , Ornitina/sangue , Resistência Física/fisiologia , Adulto Jovem
13.
Aging Ment Health ; 18(4): 400-10, 2014 May.
Artigo em Inglês | MEDLINE | ID: mdl-24131061

RESUMO

OBJECTIVES: There is a growing consensus worldwide that palliative care needs to be both more inclusive of conditions other than cancer and to improve. This paper explores some common challenges currently faced by professionals providing palliative care for patients with either cancer or dementia across five countries. METHOD: One focus group (n=7) and 67 interviews were conducted in 2012 across five countries: England, Germany, Italy, the Netherlands and Norway, with professionals from dementia, cancer and palliative care settings. RESULTS: The interviews revealed five common challenges faced across the five countries: communication difficulties (between services; and between professionals, and patients and their families); the variable extent of structural/functional integration of services; the difficulties in funding of palliative care services; problematic processes of care (boundaries, definitions, knowledge, skills and inclusiveness) and, finally, time constraints. CONCLUSION: These are not problems distinct to palliative care, but they may have different origins and explanations compared to other areas of health care. This paper explored deeper themes hidden behind a discourse about barriers and facilitators to improving care.


Assuntos
Demência/enfermagem , Neoplasias/enfermagem , Cuidados Paliativos/normas , Qualidade da Assistência à Saúde/normas , Adulto , Prestação Integrada de Cuidados de Saúde/economia , Prestação Integrada de Cuidados de Saúde/normas , Inglaterra , Feminino , Alemanha , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Relações Interprofissionais , Itália , Masculino , Países Baixos , Noruega , Cuidados Paliativos/economia , Relações Profissional-Família , Relações Profissional-Paciente , Pesquisa Qualitativa , Qualidade da Assistência à Saúde/economia , Fatores de Tempo
14.
Conscious Cogn ; 20(4): 1824-30, 2011 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-21658971

RESUMO

The current study compared thought suppression, focused attention (mindfulness) and unfocused attention as strategies for managing spider fear. Spider fearful participants were exposed to a strategy induction before completing a Behavioural Approach Test (BAT). The BAT is a 10 step measurement of how close participants are willing to move towards a spider. Participants were instructed to use what they learned in the pre-BAT induction to help them advance through the steps of the BAT. The results of the study indicated that participants given the thought suppression or the unfocused attention induction moved through significantly less steps of the BAT than did those given the focused attention (mindful) induction. Additionally, the thought suppression group felt significantly more anxious than the focused and unfocused attention groups following completion of the BAT. These results are discussed in terms of the impact of thought suppression on avoidance behaviour in phobias.


Assuntos
Meditação , Transtornos Fóbicos/terapia , Repressão Psicológica , Aranhas , Adulto , Animais , Atenção , Feminino , Humanos , Masculino , Meditação/psicologia , Inventário de Personalidade , Transtornos Fóbicos/psicologia , Testes Psicológicos , Inquéritos e Questionários , Adulto Jovem
15.
Shock ; 35(5): 485-91, 2011 May.
Artigo em Inglês | MEDLINE | ID: mdl-21330953

RESUMO

Nitric oxide-mediated activation of large conductance calcium-activated potassium (BK) channels is considered an important underlying mechanism of sepsis-induced hypotension. Indeed, the nonselective K-channel inhibitor, tetraethylammonium chloride (TEA), has been proposed as a potential treatment to raise blood pressure in septic shock by virtue of its ability to inhibit BK channels. As experimental evidence has so far relied on pharmacological inhibition, we examined the effects of channel deletion using BKα subunit knockout (α, Slo) mice in two mouse models of polymicrobial sepsis, namely, intraperitoneal fecal slurry and cecal ligation and puncture. Comparison was made against TEA treatment in wild-type (WT) mice. Following slurry, BKα and WT mice developed similar degrees of hypotension over 10 h with no difference in cardiac output as assessed by echocardiography between groups. Tetraethylammonium chloride raised blood pressure significantly in septic WT mice, but had no effect on survival. However, following cecal ligation and puncture, a significantly reduced survival was seen in both BKα mice and (high-dose) TEA-treated WT mice compared with untreated WT animals. In conclusion, the BK channel does not appear to be integral to sepsis-induced hypotension but does affect survival through other mechanisms. The pressor effect of TEA may be related to effects on other potassium channels.


Assuntos
Hipotensão/genética , Subunidades alfa do Canal de Potássio Ativado por Cálcio de Condutância Alta/deficiência , Sepse/microbiologia , Sepse/mortalidade , Animais , Pressão Sanguínea/efeitos dos fármacos , Pressão Sanguínea/genética , Genótipo , Hipotensão/tratamento farmacológico , Subunidades alfa do Canal de Potássio Ativado por Cálcio de Condutância Alta/genética , Masculino , Camundongos , Camundongos Knockout , Bloqueadores dos Canais de Potássio/uso terapêutico , Reação em Cadeia da Polimerase Via Transcriptase Reversa , Sepse/tratamento farmacológico , Sepse/genética , Tetraetilamônio/uso terapêutico
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